> Now, i have a geometric question about what the authors write: > in sec 1.1.2 they say that the following logo code: > > TO ARCR R DEG > REPEAT DEG > FORWARD R > RIGHT 1 > > produce a circular arc as output, having "DEG" degrees and "R" radius; > and that it's true, actually; > if DEG = 180 the arc is a semicircumference and so on... > > But, the "R" in the code is the single step forward the turtle does in > its path so i can't understand how this R can be seen as the radius of > the circular arc. > Any hint is very appreciated.
It is true that R specifies the radius of the arc, but it is not a measure of the radius of the arc: If R is small the arc will have a small radius If R is larger the arc will have a larger radius But R is not the length of that radius. Daniel _______________________________________________ Edu-sig mailing list Edu-sig@python.org http://mail.python.org/mailman/listinfo/edu-sig
